package com.changgou.goods.dao;

import com.changgou.goods.pojo.Brand;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import tk.mybatis.mapper.common.Mapper;

import java.util.List;
import java.util.Map;

public interface BrandMapper extends Mapper<Brand> {
    /**
     * 根据分类名称查询品牌名称和图片信息
     * @param categoryName 分类名称
     * @return
     */
    @Select("SELECT b.name,b.image FROM tb_brand b,tb_category_brand cb,tb_category c WHERE b.id=cb.brand_id AND cb.category_id = c.id AND c.name=#{name}")
    public List<Map> findBrandListByCategoryName(@Param("name") String categoryName);
}
